#include #define rep(i,a,b) for(int i=a;i=b;i--) #define fore(i,a) for(auto &i:a) #define all(x) (x).begin(),(x).end() //#pragma GCC optimize ("-O3") using namespace std; void _main(); int main() { cin.tie(0); ios::sync_with_stdio(false); _main(); } typedef long long ll; const int inf = INT_MAX / 2; const ll infl = 1LL << 60; templatebool chmax(T& a, const T& b) { if (a < b) { a = b; return 1; } return 0; } templatebool chmin(T& a, const T& b) { if (b < a) { a = b; return 1; } return 0; } //--------------------------------------------------------------------------------------------------- vector split(string str, string delim) { // strをdelimそれぞれで分割 vector items; size_t dlm_idx; if (str.npos == (dlm_idx = str.find_first_of(delim))) { items.push_back(str.substr(0, dlm_idx)); } while (str.npos != (dlm_idx = str.find_first_of(delim))) { if (str.npos == str.find_first_not_of(delim)) { break; } items.push_back(str.substr(0, dlm_idx)); dlm_idx++; str = str.erase(0, dlm_idx); if (str.npos == str.find_first_of(delim) && "" != str) { items.push_back(str); break; } } return items; } /*---------------------------------------------------------------------------------------------------             ∧_∧       ∧_∧  (´<_` )  Welcome to My Coding Space!      ( ´_ゝ`) /  ⌒i @hamayanhamayan     /   \    | |     /   / ̄ ̄ ̄ ̄/  |   __(__ニつ/  _/ .| .|____      \/____/ (u ⊃ ---------------------------------------------------------------------------------------------------*/ string S; //--------------------------------------------------------------------------------------------------- #define yes "Done!" #define no "Failed..." void _main() { cin >> S; auto v = split(S, ","); fore(s, v) if (s != "AC") { cout << no << endl; return; } cout << yes << endl; }